
html {
    overflow: hidden;
}

body {
    font-family: monospace, sans-serif,"Microsoft YaHei","黑体","宋体";
    overflow: hidden;
    padding: 0;
    margin: 0;
    min-height: 100vh;
    background-image: linear-gradient(120deg,#3498db, #8e44ad);
}

.log-box{
    background: #f1f1f1;
    height: 60vh;
    width: 90vw;
    max-width: 800px;
    border-radius: 10px;
    position: absolute;
    left: 50%;
    top: 40%;
    transform: translate(-50%, -50%);
    overflow-y:scroll;
}

.input-box{
    font-size:large;
    position: absolute;
    top:85%;
    left: 50%;
    height: 40px;
    width: 92vw;
    border: none;
    outline: none;
    margin: 0px;
    padding: 10px;
    border-radius: 20px;
    transform: translate(-50%, -50%);
}

.send-target{
    width: 100px;
    height: 50px;
    left: -120px;
    top: 50%;
    transform: translateY(-50%);
    border-radius: 3px;
    background: mediumseagreen;
    position: relative;
}

.logout-box{
    position: absolute;
    left: 100%;
    top: 0%;
    transform: translate(-100%, 0%);
}

.logout-btn{
    background-color: red;
    border: none;
    color: white;
    padding: 12px 32px;
    text-align: center;
    text-decoration: none;
    display: inline-block;
    font-size: 16px;
    border-radius: 10px 0px 0px 10px;
}

.logout-btn:hover{
    background-color: yellowgreen;
    transition: .3s;
}

.msg-context{
    font-size: 22px;
    font-family: '楷体';
    background-color: thistle;
    padding: 0px;
    margin: 10px;
}
